Re: Only One Instance.

From: J French (
Date: 01/15/04

Date: Thu, 15 Jan 2004 08:24:53 +0000 (UTC)

On Wed, 14 Jan 2004 17:07:34 GMT, (John
Dammeyer) wrote:

>Hi All,
>My application needs to run on program startup. I've had it working
>well with an entry into the registry but during development I made a
>few errors and ended up with two app.exe entries in the registry. I
>can't ever have more than one instance running due to hardware


Apart from Mutexes, RegisterWindowsMessage is handy for this sort of